Finding the Third Proportional to 42,920 and 93,456

Step by Step Solution

1. Step 1: Write the proportion equation
   42,920 : 93,456 = 93,456 : x
2. Step 2: Convert to fraction form
   42,920/93,456 = 93,456/x
3. Step 3: Cross multiply
   42,920x = 93,456 × 93,456
4. Step 4: Simplify right side
   42,920x = 8,734,023,936
5. Step 5: Solve for x
   x = 8,734,023,936/42,920
6. Step 6: Final answer
   x = 203,495.43